Massive Damage
If the damage from a single attack is greater than 1/2 of Max HP, roll against the Md Result Table
For example. Max 30 HP – a single attack does 16 HP Dmg or more = Massive Damage roll
Result Table (1d6)
| 1 | Drop to 0 HP |
| 2 | Drop to 1d6 HP and fall prone |
| 3 | Stunned until end of next turn |
| 4 | Disadvantage on all rolls for 1 min |
| 5 | Speed reduced to 10 for 1 min |
| 6 | Rally – gain 1d4 HP |
Resources
https://dnd-5e.herokuapp.com/optionalrule/massive-damage
https://dandwiki.com/wiki/Lingering_Injuries_and_Massive_Damage_(5e_Variant_Rule)
https://www.enworld.org/threads/combat-option-massive-damage-what-are-your-experiences.589526/